Finding the Fourth Proportional to 37,051.34, 51,142.36 and 21,146.40

Step by Step Solution

1. Step 1: Write the proportion equation
   37,051.34 : 51,142.36 = 21,146.40 : x
2. Step 2: Convert to fraction form
   37,051.34/51,142.36 = 21,146.40/x
3. Step 3: Cross multiply
   37,051.34x = 51,142.36 × 21,146.40
4. Step 4: Simplify right side
   37,051.34x = 1,081,476,801.50
5. Step 5: Solve for x
   x = 1,081,476,801.50/37,051.34
6. Step 6: Final answer
   x = 29,188.60